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Emission spectrum of hidrogen is different from emission spectrum of sodium.Why? Ans) Because, in sodium atom there are already many other electrons present in the atom aother than
Determine the external reactions on the x- and y-directions needed to hold the fixed vane, which turns the free oil jet in a horizontal plane. V1 = 18 m/s, V2 = 17 m/s, and Q = 0.1
Find Cp for any substance in terms of V, T, P and S. Hint: How is C p related to (∂s/∂T) p ?
Q Calculate the longest wavelength that can be analysed by a rock salt crystal of spacing d = 2.82 Ao in the first order. Data: d = 2.82 Å = 2.82 × 10-10 m; n = 1 ; λmax = ?
A 7.25-g bullet is fired from a gun. The muzzle velocity of the bullet is 223 m/s. Suppose that the bullet accelerates at a constant rate along the barrel of the gun before it
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Discuss about the Single-mode fibre in short. Single-mode fibre: A single-mode fibre consists of a narrow core (8 to 10µm) and refractive index in between the core and cladd
What are the main types of laser? Types of lasers are as illustrated below: a. Solid State lasers b. Raman laser c. Semiconductor lasers d. Dye lasers e. Gaseous
They are exactly analogous to water pressure and water flow by a hose. That's why flowing electrons is known as a current, just like a water current. Voltage is the electromotiv
Illustrate the A and B coefficients of Einstein in shortly. Einstein’s A and B coefficients: Einstein suggested a mathematical expression for the existence of stimulated emi
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